Module org.eclipse.persistence.core

Package org.eclipse.persistence.internal.sessions

Class DirectToFieldChangeRecord

java.lang.Object

org.eclipse.persistence.internal.sessions.ChangeRecord

org.eclipse.persistence.internal.sessions.DirectToFieldChangeRecord

All Implemented Interfaces:

Serializable, ChangeRecord, DirectToFieldChangeRecord

public class DirectToFieldChangeRecord
extends ChangeRecord
implements DirectToFieldChangeRecord

Purpose: To record the changes for attributes that can be represented as DirectToField

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Object	newValue
protected Object	oldValue

Fields inherited from class org.eclipse.persistence.internal.sessions.ChangeRecord

attribute, mapping, owner

Constructor Summary

Constructors

Constructor	Description
DirectToFieldChangeRecord()	This default constructor.
DirectToFieldChangeRecord(ObjectChangeSet owner)	This constructor returns a changeRecord representing the DirectToField mapping.

Method Summary

Modifier and Type	Method	Description
Object	getNewValue()	ADVANCED: Returns the new value assigned during the change.
Object	getOldValue()	ADVANCED: Return the old value of the attribute represented by this ChangeRecord.
void	mergeRecord(ChangeRecord mergeFromRecord, UnitOfWorkChangeSet mergeToChangeSet, UnitOfWorkChangeSet mergeFromChangeSet)	INTERNAL: This method will be used to merge one record into another.
void	setNewValue(Object newValue)	ADVANCED: Sets the new value assigned during the change.
void	setOldValue(Object oldValue)	INTERNAL: Set the old value of the attribute represented by this ChangeRecord.
void	updateChangeRecordWithNewValue(Object newValue)	INTERNAL: used by the record to update the new value ignores the value in the default implementation
void	updateReferences(UnitOfWorkChangeSet mergeToChangeSet, UnitOfWorkChangeSet mergeFromChangeSet)	INTERNAL: This method will be used to update the objectsChangeSets references

Methods inherited from class org.eclipse.persistence.internal.sessions.ChangeRecord

getAttribute, getMapping, getOwner, prepareForSynchronization, setAttribute, setMapping, setOwner, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.eclipse.persistence.sessions.changesets.ChangeRecord

getAttribute, getOwner

Field Details

newValue

protected Object newValue

oldValue

protected transient Object oldValue

Constructor Details

DirectToFieldChangeRecord

public DirectToFieldChangeRecord()

This default constructor.

DirectToFieldChangeRecord

public DirectToFieldChangeRecord(ObjectChangeSet owner)

This constructor returns a changeRecord representing the DirectToField mapping.

Method Details

getNewValue

public Object getNewValue()

ADVANCED: Returns the new value assigned during the change.

Specified by:

getNewValue in interface DirectToFieldChangeRecord

Returns:

java.lang.Object

mergeRecord

public void mergeRecord(ChangeRecord mergeFromRecord,
 UnitOfWorkChangeSet mergeToChangeSet,
 UnitOfWorkChangeSet mergeFromChangeSet)

INTERNAL: This method will be used to merge one record into another.

Specified by:

mergeRecord in class ChangeRecord

setNewValue

public void setNewValue(Object newValue)

ADVANCED: Sets the new value assigned during the change.

updateChangeRecordWithNewValue

public void updateChangeRecordWithNewValue(Object newValue)

INTERNAL: used by the record to update the new value ignores the value in the default implementation

Overrides:

updateChangeRecordWithNewValue in class ChangeRecord

updateReferences

public void updateReferences(UnitOfWorkChangeSet mergeToChangeSet,
 UnitOfWorkChangeSet mergeFromChangeSet)

INTERNAL: This method will be used to update the objectsChangeSets references

Specified by:

updateReferences in class ChangeRecord

getOldValue

public Object getOldValue()

ADVANCED: Return the old value of the attribute represented by this ChangeRecord.

Specified by:

getOldValue in interface ChangeRecord

Specified by:

getOldValue in interface DirectToFieldChangeRecord

setOldValue

public void setOldValue(Object oldValue)

INTERNAL: Set the old value of the attribute represented by this ChangeRecord.